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x -x LEGEND <br /> AREA B6 I I x � x <br /> MW-11 • x I <br /> I • MONITORING WELL LOCATION <br /> I• MW-8 <br /> FORMER PIPELINES-APPROXIMATE LOCATION <br /> PROPERTY BOUNDARY <br /> ---- _ I x ----------------------PROPOSED DEVELOPMENT <br /> —PARCEL BOUNDARIES <br /> Q x EXISTING FENCE <br /> x I <br /> - _ AREA 67 I <br /> I " O EXCAVATION FOOTPRINT <br /> \ I Q <br /> , - • � • MW-7 � <br /> MW-12_- / MW-10v I 81.72 GROUNDWATER <br /> SEA LEVEL(ft <br /> Ax <br /> x x j <br /> REA B8 <br /> 1 I I (ND) TPH AS CRUDE OIL,CONCENTRATION IN <br /> Q) <br /> MICROGRAMS PER LITER(Ng/L) <br /> AREA B9 MW-4 I Z (ND) TPH AS DIESEL,CONCENTRATION IN Ng/L <br /> / 84.71 I Q <br /> MW 5 x (ND) Z (ND) BENZENE CONCENTRATION IN pg/L <br /> ' (ND) <br /> 84.34 (ND) I —84.60— GROUNDWATER ELEVATION CONTOUR, <br /> MW-6 (ND) ^pI IN ft MSL <br /> 84.31 (ND) Vj 0.004 <br /> (ND) I I 04 GROUNDWATER FLOW DIRECTION <br /> / (ND) <br /> ; (ND) �p CORAL 1 AND GRADIENT <br /> PASTURE (ND)—• x ND NOT DETECTED <br /> FORMER PIPELINES <br /> REA B10 <br /> ---------- A �O� 45p 1 <br /> E <br /> �pAQ, MW-2 <br /> cb� 87.42 <br /> , p ry (ND) I <br /> p (ND) <br /> lbp� <br /> MW-3I' I cbp 87.59 <br /> I <br /> p (ND) <br /> k ti <br /> (ND) <br /> I I <br /> xx x <br /> x � � �x x <:Nb (ND) <br /> , <br /> x x x x x x x x x x AREA B12 87.62 I <br /> I <br /> (ND) <br /> , <br /> I (ND) <br /> ' I (ND)--------------------------------------- <br /> I 1 <br /> I <br /> figure 2c <br /> 0 50 150ft4 GROUNDWATER CONTOUR AND CHEMICAL CONCENTRATION MAP - AREAS B9 - B12 <br /> NEIGHBORHOOD B, PARCEL 209-06-08 <br /> SEPTEMBER 15, 2010 <br /> FORMER SHELL CENTRAL VALLEY CRUDE OIL PIPELINES <br /> SOURCE:SAIC,2006.MONITORING WELL LOCATIONS MW-1 THRU MW-19 BASED ON <br /> MID COAST ENGINEERING SURVEY DATED 9/22/09,COORDINATE SYSTEM US Mountain House, California <br /> STATE PLANE 1983,CA ZONE 3.BENCHMARK ELEV=62.315 FEET NAVD 88 DATUM. <br /> 060222-2010(009)GN-S0003 OCT 25/2010 <br />